TEPCO announced on July 15 that the company started to use the fresh water from outside source to supplement the treated water it has been using to cool the reactors for two weeks. The contaminated water treatment system at Fukushima I Nuclear Power Plant is not functioning well.

外部の水を使うと汚染水の増加につながり、東電は不調の原因究明を急いでいる。

If the outside water is used, that will increase the amount of contaminated water. TEPCO is trying to identify the cause of the problem.

The system can process 50 tonnes of water per hour. During the one week that ended on July 12, however, the rate was 37 tonnes per hour. TEPCO stopped the system at 5:14AM on July 15 to expel the air out of the pipes and restarted the system at 2:21PM, but the operating rate still remains at 39 tonnes per hour.

As the result, the amount of treated water in the storage tank has dropped to 35% of the full capacity, so TEPCO replenished the tank with 570 tonnes of river water to bring it to 63% capacity. If outside water is added, the contaminated water will increase.

Hmmm, the number doesn't match up with the information on TEPCO's drawing, which shows the storage tank to have the capacity of 5,000 tonnes and the buffer tank that can mix river water with contaminated water if needed has only 1,000 tonnes capacity. There is no tank with 2,000 tonnes capacity in the drawing...

About my coverage of Japan Earthquake of March 11

I am Japanese, and I not only read Japanese news sources for information on earthquake and the Fukushima Nuke Plant but also watch press conferences via the Internet when I can and summarize my findings, adding my observations.

About This Site

Well, this was, until March 11, 2011. Now it is taken over by the events in Japan, first earthquake and tsunami but quickly by the nuke reactor accident. It continues to be a one-person (me) blog, and I haven't even managed to update the sidebars after 5 months... Thanks for coming, spread the word.------------------This is an aggregator site of blogs coming out of SKF (double-short financials ETF) message board at Yahoo.

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